.stacked-bar-chart {
  overflow: hidden;
  margin: 10px 0;
  height: 20px;
  border: 1px solid #ccc;
  background-color: #f9f9f9;
}

.stacked-bar   { float: left; height: 100%; }
.stacked-bar-0 { background-color: #bb0000; }
.stacked-bar-1 { background-color: #00bb00; }
.stacked-bar-2 { background-color: #0000bb; }
